501 Geometry Questions

Set 24

Fill in the blanks based on your knowledge of triangles and angles.

125. In right triangle ABC, if ∠C measures 31° then the remaining
     acute angle must measure ____.


126. In scalene triangle QRS, if ∠R measures 134° and ∠Q measures
     16°, then ∠S measures ____.


127. In isosceles triangle TUV, if vertex ∠T is supplementary to an
     angle in an equilateral triangle, then base ∠U measures ____.


128. In obtuse isosceles triangle EFG, if the base ∠F measures 12°,
     then the vertex ∠E measures ____.


129. In acute triangle ABC, if ∠B measures 45°, can ∠C measure 30°?
     ____.

Set 25

Choose the best answer.

130. Which of the following sets of interior angle measurements would
     describe an acute isosceles triangle?
     a. 90°, 45°, 45°
     b.80°, 60°, 60°
     c. 60°, 60°, 60°
     d.60°, 50°, 50°


131. Which of the following sets of interior angle measurements would
     describe an obtuse isosceles triangle?
     a. 90°, 45°, 45°
     b.90°, 90°, 90°
     c. 100°, 50°, 50°
     d.120°, 30°, 30°

501 Geometry Questions